Screen-leveling device for threshers.



D. B. RENFRO. SCREEN LEVELING DEVICE FOR THRESHERS. APPLICATION rum)JULY 22, 1912.

1,058,016. Pa n ed Apr. 1, i913.

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' STATESPATENT or fice.

DANIEL-e snn vrno, or M-A DERA. 'GALIFORNI'A,

sesame-meme nnvrcn FOR THRESHERSs ms'sme. 7

Application filedll' uly To all whom it may concern:

Be it known that I, DANIEL B. RENFRO. a citizen of the United States,residing at Madera, in the county of Madera, State of California, haveinvented certain new and useful Improvements in Screen-Leveling Devicesfor Threshers; and I do declare the following to be a full, clear, andexact description of the same, such as will enable others skilled in theart to which it appertains to make and use the same, reference being hadto the accompanying drawings, and to the characters of reference markedthereon, which form a part of this application.

This invent-ion relates to improvements in combined harvesters andparticularly to the shoes thereof, the object of the invention being toproduce a means for the shoe whereby when the body of the harvestertilts from .bne side to the other when moving over rolling ground or ahillside said shoe will remain in a horizontal position regardless ofthe position of the harvester whereby the grain will not pile up to oneside or one corner of the shoe and be wasted.

A further object of the invention is to produce a simple and inexpensivedevice and yet' one which will be exceedingly efiec-tive for thepurposes for which it is designed.

These objects, I accomplish by means of such structure and relativearrangement of parts as will fully appear by a perusal of the followingspecification and claim.

In the drawings similar characters of'reference indicate correspondingparts in the several views.

Figure 1 is a sectional view of a portion of the harvester showing myimproved shoe structure therein. Fig. 2 is an end view of my improvedshoe structure. Fig. 3 is a detached view of a hinge.

Referring now more particularly to the characters of reference on thedrawings, the numeral 1 designates the body of the harvester which isprovided with any desired form of cylinder, drapers, conveyers,separators Specification-of L-ettersratent.

4312; "ser al No. 710,777.

and fans, no claim being laid to these features by me hence no specificdescription of the same will be entered into herein.

The numeral 2 designates the rockers of the shoe supporting the mainframe beams 3.

The numeral t designates the main body' of the shoe provided with theusual side members, screens and bars, this shoe in my improved structurebeing pivotally hinged as at 5 to the main frame beams 3. On the frontof the shoe is an adjustable wind board 6 which is adapted to move witheach movemen-t of the shoe on its hinged points 5.

Projecting upwardly from each side of the shoe 4 is a bar 6 connectedwith each of which is a chain 7' each chain projecting over-a pulley 8in the top of the body 1 and being thence each connected with a verticalrod 9 having a horizontal portion 10 journ-aled in a beam 11 andprovided with a downwardly projecting portion 12, having a weight 13 onits lower end. The two chains from the two rods 9 cross each other asshown in Fig. 2 so that when the harvester tilts to one side the weighton the other side will bring the shoe to a horizontal positionregardless of the position of the harvester. The two rods 9 are providedwith a cross guide chain 14 to maintain the same relative position ofthe weights 13 at all times. At the connection of the chains 7 with therods 9 is an adjustment consisting of two sliding plates 15 providedwith slots through which project bolts 16 whereby the exact position ofthe chains may be fixed in order to give the proper action to theweights 13 in order to maintain the shoe in horizontal position.

From the foregoing description it will be readily seen that I haveproduced such a device as substantially fulfils the object of theinvention as set forth herein.

While this specification sets forth in detail the present and preferredconstruction of the device, still in practice such deviations from suchdetail may be resorted to as do not form a departure from the spirit ofthe invention.

Having thus described my invention what leys, a weighted rod swinging onthe outside I claim as new and useful and desire to seof each of saidbars, said chains crossing each cure by Letters Patent is other and eachbeing connected with one of A device of the character described comsaidweighted rods, as described. 5 prising the combination of a main frame,In testimony whereof I afiix my signature 15 a shoe proper hingedcentrally onsaid main in presence of two witnesses; 7 frame, spacedpulleys journaled independ- DANIEL B. RENFRO. ently of said shoe on eachside thereof, bars Witnesses: connected at each side of said shoe, achain STEPHEN M. BLEWE'rr, 10 on eachbar projecting over one of saidpul- CLARENCE M. SMITH.

C opi es of this patent may be obtained forfive cents each, byaddressing the Commissioner oi Patents,

Washington, D. G. i

